Home / 156,288,608.53-234,454,470.78-90,740,615.92

Finding the Fourth Proportional to 156,288,608.53, 234,454,470.78 and 90,740,615.92

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Solution

The fourth proportional to 156,288,608.53, 234,454,470.78 and 90,740,615.92 is: 136,123,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,608.53 : 234,454,470.78 = 90,740,615.92 : x
  2. Step 2: Convert to fraction form
    156,288,608.53/234,454,470.78 = 90,740,615.92/x
  3. Step 3: Cross multiply
    156,288,608.53x = 234,454,470.78 × 90,740,615.92
  4. Step 4: Simplify right side
    156,288,608.53x = 21,274,543,083,774,844
  5. Step 5: Solve for x
    x = 21,274,543,083,774,844/156,288,608.53
  6. Step 6: Final answer
    x = 136,123,440.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.